Photocurable compound and self-healing polymer composition with photocurable compound

Abstract

The subject of the application is a photocurable compound with self-healing properties, which is a difunctional acrylate monomer with a double Diels-Alder adduct structure built into the molecule in the form of ((methylenebis(4,1-phenylene))bis(1,3-dioxo-1,2,3,3a,7,7a-hexahydro-4H-4,7-epoxyisoindole-2,4-diyl))bis(methylene)bis(2-methylacrylate), wherein the Diels-Alder adduct is produced in a Diels-Alder reaction between the dienophile 1,1′-(methylenebis(2-ethyl-4,1-phenylene))bis-1H-pyrrole-2,5-dione and the diene in the form of furfuryl methacrylate.The subject of the application is also a polymer composition with a photocurable component with self-healing properties, according to the invention containing (meth)acrylate oligomers and monomers and a photoinitiator, which is characterized in that it consists of 20% - 60% by weight of (meth)acrylate oligomers, 5% - 50% by weight of (meth)acrylate monomers, 10% - 50% by weight of an acrylate monomer with a built-in Diels-Alder adduct in the form of ((methylenebis(4,1-phenylene))bis(1,3-dioxo-1,2,3,3a,7,7a-hexahydro-4H-4,7-epoxyisoindole-2,4-diyl))bis(methylene)bis(2-methylacrylate) and 0.5% - 10% by weight of a radical photoinitiator, wherein the share of all components of the polymer composition is 100%.